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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/contrib/vchiq/interface/vchiq_arm/vchiq_memdrv.h
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/**
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* Copyright (c) 2010-2012 Broadcom. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the above-listed copyright holders may not be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2, as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VCHIQ_MEMDRV_H
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#define VCHIQ_MEMDRV_H
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/* ---- Include Files ----------------------------------------------------- */
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#include <linux/kernel.h>
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#include "vchiq_if.h"
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/* ---- Constants and Types ---------------------------------------------- */
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typedef struct {
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void *armSharedMemVirt;
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dma_addr_t armSharedMemPhys;
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size_t armSharedMemSize;
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void *vcSharedMemVirt;
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dma_addr_t vcSharedMemPhys;
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size_t vcSharedMemSize;
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} VCHIQ_SHARED_MEM_INFO_T;
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/* ---- Variable Externs ------------------------------------------------- */
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/* ---- Function Prototypes ---------------------------------------------- */
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void vchiq_get_shared_mem_info(VCHIQ_SHARED_MEM_INFO_T *info);
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VCHIQ_STATUS_T vchiq_memdrv_initialise(void);
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VCHIQ_STATUS_T vchiq_userdrv_create_instance(
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const VCHIQ_PLATFORM_DATA_T * platform_data);
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VCHIQ_STATUS_T vchiq_userdrv_suspend(
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const VCHIQ_PLATFORM_DATA_T * platform_data);
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VCHIQ_STATUS_T vchiq_userdrv_resume(
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const VCHIQ_PLATFORM_DATA_T * platform_data);
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#endif
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